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Lipperman-Kreda, Sharon; Grube, Joel W.; Friend, Karen B.; Mair, Christina
Addiction, March 2016, Letnik: 111, Številka: 3Journal Article
Aims To estimate the relationships of tobacco outlet density, cigarette sales without ID checks and local enforcement of underage tobacco laws with youth's life‐time cigarette smoking, perceived availability of tobacco and perceived enforcement of underage tobacco laws and changes over time. Design The study involved: (a) three annual telephone surveys, (b) two annual purchase surveys in 2000 tobacco outlets and (c) interviews with key informants from local law enforcement agencies. Analyses were multi‐level models (city, individual, time). Setting A sample of 50 mid‐sized non‐contiguous cities in California, USA. Participants A total of 1478 youths (aged 13–16 at wave 1, 52.2% male); 1061 participated in all waves. Measurements Measures at the individual level included life‐time cigarette smoking, perceived availability and perceived enforcement. City‐level measures included tobacco outlet density, cigarette sales without ID checks and compliance checks. Findings Outlet density was associated positively with life‐time smoking OR = 1.12, P < 0.01. An interaction between outlet density and wave (OR = 0.96, P < 0.05) suggested that higher density was associated more closely with life‐time smoking at the earlier waves when respondents were younger. Greater density was associated positively with perceived availability (β = 0.02, P < 0.05) and negatively with perceived enforcement (β = −0.02, P < 0.01). Sales rate without checking IDs was related to greater perceived availability (β = 0.01, P < 0.01) and less perceived enforcement (β = −0.01, P < 0.01). Enforcement of underage tobacco laws was related positively to perceived enforcement (β = 0.06, P < 0.05). Conclusions Higher tobacco outlet density may contribute to life‐time smoking among youths. Density, sales without ID checks and enforcement levels may influence beliefs about access to cigarettes and enforcement of underage tobacco sales laws.
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